Hi Peter, Any way that I can explicitly deal with that? Trying to make sure the rest of my data doesn’t suffer from this same issue.
Joe S. From: Peter Y. Zavalij [mailto:pzava...@umd.edu] Sent: Tuesday, July 11, 2017 9:23 AM To: Serio, Joseph A. <seri...@ornl.gov> Subject: Re: [GSAS-II] 2D image Calibration of CeO2 (Ceria) Using a GE2 detector - Possible Detector Specific Issue 2nd plot looks like specimen shift. Peter Z. On Jul 11, 2017 9:19 AM, "Serio, Joseph A." <seri...@ornl.gov<mailto:seri...@ornl.gov>> wrote: A follow up to my previous question, for people who read this is in the future. I have (hopefully) attached what my position calibration appears as after performing the 2D image tilt calibration. It seems that I am able to fit a function similar to the previous mentioned one in order to model this shift, on the order of rtrue = rmeasured * (1 + 0.004 (rmeas/detectorhalfsize)^2). This disagrees with the negative “a” value obtained in the paper, instead yielded a necessary increase in the diffraction ring diameter. Any help on this issue is still appreciated. J.S. _______________________________________________ GSAS-II mailing list GSAS-II@mailman.aps.anl.gov<mailto:GSAS-II@mailman.aps.anl.gov> https://mailman.aps.anl.gov/mailman/listinfo/gsas-ii
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